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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/background_fetch/storage/get_metadata_task.h"
#include <utility>
#include "base/functional/bind.h"
#include "content/browser/background_fetch/storage/database_helpers.h"
#include "content/browser/service_worker/service_worker_context_wrapper.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "url/gurl.h"
namespace content {
namespace background_fetch {
GetMetadataTask::GetMetadataTask(DatabaseTaskHost* host,
int64_t service_worker_registration_id,
const blink::StorageKey& storage_key,
const std::string& developer_id,
GetMetadataCallback callback)
: DatabaseTask(host),
service_worker_registration_id_(service_worker_registration_id),
storage_key_(storage_key),
developer_id_(developer_id),
callback_(std::move(callback)) {}
GetMetadataTask::~GetMetadataTask() = default;
void GetMetadataTask::Start() {
service_worker_context()->GetRegistrationUserData(
service_worker_registration_id_,
{ActiveRegistrationUniqueIdKey(developer_id_)},
base::BindOnce(&GetMetadataTask::DidGetUniqueId,
weak_factory_.GetWeakPtr()));
}
void GetMetadataTask::DidGetUniqueId(const std::vector<std::string>& data,
blink::ServiceWorkerStatusCode status) {
switch (ToDatabaseStatus(status)) {
case DatabaseStatus::kNotFound:
FinishWithError(blink::mojom::BackgroundFetchError::INVALID_ID);
return;
case DatabaseStatus::kOk:
DCHECK_EQ(1u, data.size());
service_worker_context()->GetRegistrationUserData(
service_worker_registration_id_, {RegistrationKey(data[0])},
base::BindOnce(&GetMetadataTask::DidGetMetadata,
weak_factory_.GetWeakPtr()));
return;
case DatabaseStatus::kFailed:
FinishWithError(blink::mojom::BackgroundFetchError::STORAGE_ERROR);
return;
}
}
void GetMetadataTask::DidGetMetadata(const std::vector<std::string>& data,
blink::ServiceWorkerStatusCode status) {
switch (ToDatabaseStatus(status)) {
case DatabaseStatus::kNotFound:
// The database is corrupt as there's no registration data despite there
// being an active developer_id pointing to it.
FinishWithError(blink::mojom::BackgroundFetchError::STORAGE_ERROR);
return;
case DatabaseStatus::kOk:
DCHECK_EQ(1u, data.size());
ProcessMetadata(data[0]);
return;
case DatabaseStatus::kFailed:
FinishWithError(blink::mojom::BackgroundFetchError::STORAGE_ERROR);
return;
}
}
void GetMetadataTask::ProcessMetadata(const std::string& metadata) {
metadata_proto_ = std::make_unique<proto::BackgroundFetchMetadata>();
if (!metadata_proto_->ParseFromString(metadata)) {
FinishWithError(blink::mojom::BackgroundFetchError::STORAGE_ERROR);
return;
}
const auto& registration_proto = metadata_proto_->registration();
auto meta_storage_key = GetMetadataStorageKey(*metadata_proto_);
if (registration_proto.developer_id() != developer_id_ ||
meta_storage_key != storage_key_) {
FinishWithError(blink::mojom::BackgroundFetchError::STORAGE_ERROR);
return;
}
FinishWithError(blink::mojom::BackgroundFetchError::NONE);
}
void GetMetadataTask::FinishWithError(
blink::mojom::BackgroundFetchError error) {
// We want to return a nullptr instead of an empty proto in case of an error.
if (error != blink::mojom::BackgroundFetchError::NONE)
metadata_proto_.reset();
std::move(callback_).Run(error, std::move(metadata_proto_));
Finished();
}
} // namespace background_fetch
} // namespace content
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